I see Kutiman has a Wikipedia page.

Also there's an article on 43folders that, besides embedding the awesome "Mother of All Funk Chords" video below, makes this point:

Unsolicited tip for media company c-levels: if your reaction to this crate of magic is “Hm. I wonder how we’d go about suing someone who ‘did this’ with our IP?” instead of, “Holy crap, clearly, this is the freaking future of entertainment,” it’s probably time to put some ramen on your Visa and start making stuff up for your LinkedIn page.

Thinking some more about the tools he used — I wonder if he downloaded the videos as mp4's (which is easy to do) and then imported them into Final Cut Pro or some such. I don't know much about video tools so I'm just guessing.